Method render

Engine/source/lighting/shadowMap/shadowMapPass.cpp:128–250

}

void ShadowMapPass::render(   SceneManager *sceneManager, 
                              const SceneRenderState *diffuseState, 
                              U32 objectMask )
{
   PROFILE_SCOPE( ShadowMapPass_Render );

   // Prep some shadow rendering stats.
   smActiveShadowMaps = 0;
   smUpdatedShadowMaps = 0;
   smNearShadowMaps = 0;
   GFXDeviceStatistics stats;
   stats.start( GFX->getDeviceStatistics() );

   // NOTE: The lights were already registered by SceneManager.

   // Update mLights
   mLights.clear();
   mLightManager->getAllUnsortedLights( &mLights );
   mActiveLights = mLights.size();

   // Use the per-frame incremented time for
   // priority updates and to track when the 
   // shadow was last updated.
   const U32 currTime = Sim::getCurrentTime();

   // First do a loop thru the lights setting up the shadow
   // info array for this pass.
   Vector<LightShadowMap*> shadowMaps;
   shadowMaps.reserve( mActiveLights );
   for ( U32 i = 0; i < mActiveLights; i++ )
   {
      ShadowMapParams *params = mLights[i]->getExtended<ShadowMapParams>();

      // Before we do anything... skip lights without shadows.      
      if ( !mLights[i]->getCastShadows() || smDisableShadows )
         continue;
      
      // --- Static Shadow Map ---
      LightShadowMap *lsm = params->getOrCreateShadowMap();

      // First check the visiblity query... if it wasn't 
      // visible skip it.
      if(params->getOcclusionQuery()->getStatus(true) == GFXOcclusionQuery::Occluded)
         continue;

      // Any shadow that is visible is counted as being 
      // active regardless if we update it or not.
      ++smActiveShadowMaps;

      // Do a priority update for this shadow.
      lsm->updatePriority(diffuseState, currTime);

      shadowMaps.push_back(lsm);
   }

   // Now sort the shadow info by priority.
   // andrewmac: tempoarily disabled until I find a better solution.
   //shadowMaps.sort( LightShadowMap::cmpPriority );